10239540828 has 24 divisors (see below), whose sum is σ = 26064286080. Its totient is φ = 3102891120.

The previous prime is 10239540811. The next prime is 10239540833. The reversal of 10239540828 is 82804593201.

It is a self number, because there is not a number n which added to its sum of digits gives 10239540828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38786008 + ... + 38786271.

It is an arithmetic number, because the mean of its divisors is an integer number (1086011920).

Almost surely, 2^10239540828 is an apocalyptic number.

It is an amenable number.

10239540828 is an abundant number, since it is smaller than the sum of its proper divisors (15824745252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10239540828 is a wasteful number, since it uses less digits than its factorization.

10239540828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77572297 (or 77572295 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 10239540828 in words is "ten billion, two hundred thirty-nine million, five hundred forty thousand, eight hundred twenty-eight".